diff --git a/kernel/exit.c b/kernel/exit.c
index 5d1226fdfadc..1b51dc099f1e 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -268,6 +268,9 @@ void release_task(struct task_struct *p)
 	leader = p->group_leader;
 	if (leader != p && thread_group_empty(leader)
 			&& leader->exit_state == EXIT_ZOMBIE) {
+		/* for pidfs_exit() and do_notify_parent() */
+		if (leader->signal->flags & SIGNAL_GROUP_EXIT)
+			leader->exit_code = leader->signal->group_exit_code;
 		/*
 		 * If we were the last child thread and the leader has
 		 * exited already, and the leader's parent ignores SIGCHLD,